Home / 9,728.56-13,425.42-5,751.64

Finding the Fourth Proportional to 9,728.56, 13,425.42 and 5,751.64

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Solution

The fourth proportional to 9,728.56, 13,425.42 and 5,751.64 is: 7,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.56 : 13,425.42 = 5,751.64 : x
  2. Step 2: Convert to fraction form
    9,728.56/13,425.42 = 5,751.64/x
  3. Step 3: Cross multiply
    9,728.56x = 13,425.42 × 5,751.64
  4. Step 4: Simplify right side
    9,728.56x = 77,218,170.69
  5. Step 5: Solve for x
    x = 77,218,170.69/9,728.56
  6. Step 6: Final answer
    x = 7,937.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.